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Demi Lovato, Halloween

Christopher Polk/Getty Images

Is that you, Demi Lovato?!

The 21-year-old singer no doubt served up some scares when she dressed up as a zombie to host a Halloween party at her West Hollywood, Calif., home on Thursday, Oct. 31.

Covered in frightening makeup that extended from her face to her clothing, she appeared downright creepy. And if looks could kill, Demi surely succeeded with that sinister stare.

But the gal cleans up pretty well.

In fact, she looks simply stunning in the new music video for the song "Let It Go" off the soundtrack for the upcoming Disney animated movie Frozen.

"Here's the #LetItGo video!!!!" Demi tweeted just hours after her party with a link to the clip.

Featuring the voices of Kristen Bell, Indina Menzel and Josh Gad, Frozen hits theaters on Nov. 27.